feat: VM metrics via portal-monitor integration

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

app/Services/PortalMonitorClient.php

@@ -0,0 +1,55 @@
+<?php
+
+namespace App\Services;
+
+use Illuminate\Http\Client\ConnectionException;
+use Illuminate\Support\Facades\Http;
+use RuntimeException;
+
+class PortalMonitorClient
+{
+    public function vmMetrics(string $vmwareId): array
+    {
+        return $this->get($vmwareId, 'metrics', 'VM metrics are unavailable');
+    }
+
+    public function vmStorage(string $vmwareId): array
+    {
+        return $this->get($vmwareId, 'storage', 'VM storage is unavailable');
+    }
+
+    private function get(string $vmwareId, string $resource, string $notFoundMessage): array
+    {
+        $url = rtrim((string) config('portal-monitor.url'), '/');
+        $apiKey = (string) config('portal-monitor.api_key');
+
+        if ($url === '' || $apiKey === '') {
+            throw new RuntimeException('Portal Monitor is not configured');
+        }
+
+        try {
+            $response = Http::acceptJson()
+                ->withHeaders(['X-API-Key' => $apiKey])
+                ->timeout((int) config('portal-monitor.timeout', 5))
+                ->get($url . '/api/v1/vsphere/vms/' . rawurlencode($vmwareId) . '/' . $resource);
+        } catch (ConnectionException) {
+            throw new RuntimeException('Portal Monitor is unavailable');
+        }
+
+        if ($response->status() === 404) {
+            throw new RuntimeException($notFoundMessage, 404);
+        }
+
+        if (!$response->successful()) {
+            throw new RuntimeException('Portal Monitor request failed');
+        }
+
+        $data = $response->json('data');
+
+        if (!is_array($data)) {
+            throw new RuntimeException('Portal Monitor returned an invalid response');
+        }
+
+        return $data;
+    }
+}